#1C4686#1C4686

#1C4686 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.2% C 0.117 H 258.8°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#1C4686
RGB	rgb(28, 70, 134)
HSL	hsl(216, 65%, 32%)
HSV	hsv(216, 79%, 53%)
CMYK	cmyk(79.1%, 47.8%, 0%, 47.5%)
CIE-LAB	lab(30.27, 9.84, -40.03)
CIE-LCH	lch(30.27, 41.22, 283.81°)
OKLab	oklab(40.19% -0.0226 -0.1149)
OKLCH	oklch(40.19% 0.117 258.8)
XYZ	xyz(6.9706, 6.3476, 23.4075)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4686 #865C1C

analogous

#1C7B86 #1C4686 #271C86

triadic

#1C4686 #861C46 #46861C

tetradic

#1C4686 #861C7B #865C1C #1C8627

square

#1C4686 #861C7B #865C1C #1C8627

split-complementary

#1C4686 #86271C #7B861C

monochromatic

#071121 #112C53 #1C4686 #2760B9 #447FD8

Accessibility & contrast

On white

9.25

#1C4686 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1C4686 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4686

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4686	#FFFFFF	#000000	##FFFFFF
##1C4686	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244C88

Deuteranopia (green-blind)

#094385

Tritanopia (blue-blind)

#00555F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c4686;
/* rgb */ color: rgb(28, 70, 134);
/* oklch */ color: oklch(40.2% 0.117 258.8);

Tailwind

colors: {
  custom: {
    50: '#6978aa',
    500: '#1c4686',
    950: '#000000',
  },
}

SCSS

$custom: #1c4686;
$custom-light: #6978aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4686",
  "rgb": {
    "r": 28,
    "g": 70,
    "b": 134
  },
  "hsl": {
    "h": 216.226,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40192,
    "c": 0.11708,
    "h": 258.8
  },
  "luminance": 0.06348
}

Semantic roles & 50–950 ramp

primary

#1C4686

secondary

#B98B45

accent

#A53FE8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1C4686

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →